Allow for fast food restaurants to sell products like burritos, tacos, nachos ect or even sushi or Chinese food.
A little diversity so there are more categories to satisfy in business insider so that all shops don’t end up the same where you cram in all pieces of equipment for fast food to satisfy the market.
Make it almost unpractical to do this due to more equipment needing more space therefore there won’t be enough seating thus negatively affecting businesses that try to cover the market instead of focusing on their area. Maybe make it unpractical for all businesses except for the 1000sqm shops, encouraging people to move towards them if they wish to cover the market, not just having the only benefit of them being more people per hour.
Same sort of idea for coffee shops, diversify their options to include something like a toasted sandwich, bagel and other pastries like a macaroon, banana bread, regular cakes or biscuits.
Again same sort of thing for electronics stores. Include things like tablets/iPads, laptops/macbooks and perhaps desktop PC/Mac. Possible skews of phones, so Pro or ultra phones.
Supermarkets could do tinned products, meats, toiletries, loaves of bread, cookies, milk.
Gift shops could do postcards, maps, wrapping paper, children’s gifts.
Book shops could do the different book types with different skews for different ages.
Further to this point would be to increase the negative impact of customer complaints, so that where a customer can’t find a place to sit or place their trash it has a large impact on sales to encourage people to focus down specific genres/ selections of products.
For shops it may be that customers now assess harder on decoration which will be impacted by ease of access though the shop. This could be assessed by customers calculating the length of the path to their product they want when they walk in and decide whether it’s a reasonable distance, if not there is a negative impact on decoration. Reasonable distance could be calculated by working out the difference between the distance between the door and the product directly and how far the customer must walk in reality. This in turn encourages appropriate spacing between shelves so players can no longer crowd the shop with all products without getting negative impacts.